So you would normally get various biotech's' job such as dental scientific liaison, Medical information Manager, Clinical Safety Scientist etc. Normally you need a degree related to biotechnology to get your pharmaceutical career going.
Every industry is in need of people who can fill their health care jobs, as the company wants their workers fit so that they can give their 100% this is very important as any disturbance can affect the workers performance and thus can affect the company's sales. This is not only related to science as there are sales job available, to market their products. You can get your self employed in clinical research jobs, which as the name suggests requires you to have excellent observation. A company has to deal with many issues then who would deal with the physician; well that's the job of a pharmaceutical representative. A representative is not only required for such purposes but as told before sales jobs are available, one type of sales job is pharmaceutical sales representative, where as the name sates you got to work as an ambassador for your company and market the product in the best way possible.
The other field to which the pharmaceutical industry is deeply related is chemistry, and then it is obvious that jobs are available. All you need is a degree in Chemistry, in a field in which you are interested to work in a pharmaceutical company. This job pays off big as the chemist job in this industry is very delicate and to an extent difficult.